[droid zylon1]

i have a ipod that was jailbroken now im trying to restore it. when i try to restore it it gave me error 21. Then i put it in DFU mode to resolve this error now while in DFU mode and i try to restore it give error 1602. It simply means usb is in the wrong port or i need to disable my antivirus'. i know all about what it is but i dont know how to resolve this error can someone help.

also error 1601 now.